326732 (2003 HB6)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5703080163 ± 1.89e-09
Semi-major axis (a)2.7131906889 AU ± 7.20e-10
Inclination (i)6.61836662° ± 4.23e-07
Long. of Asc. Node (Ω)161.61119965° ± 2.14e-06
Arg. of Perihelion (ω)145.80553319° ± 2.49e-06
Mean Anomaly (M)348.17984789° ± 1.45e-07
Mean Motion (n)0.2205422491°/day ± 8.77e-11
Perihelion dist (q)1.16583629 AU ± 5.14e-09
Aphelion dist (Q)4.26054509 AU ± 5.25e-09
Orbital Period4.46910416 yr ± 1.78e-09
Physical Parameters
H (abs. magnitude)17.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.209″
Uncertainty0
Orbit TypeAmor
MOID0.163175 AU
Observations Used5317
Radar Obs Used1
Oppositions7
Arc Total2003-2012
First Observation Used2003-03-26
Last Observation Used2025-03-25
Observations (8024)
Date Type RA Dec Mag Band Observatory
2021-09-12 20:23:59 S 23 34 45.965 -07 38 18.10 V C57
2021-09-12 20:23:59 s 1 -166864.64 2 +258155.45 9930.0 C57
2021-09-12 20:33:59 S 23 34 46.670 -07 38 25.33 V C57
2021-09-12 20:33:59 s 1 -167080.53 1 +257643.85 8220.0 C57
2021-09-12 20:43:59 S 23 34 47.206 -07 38 30.77 V C57
2021-09-12 20:43:59 s 1 -167295.63 2 +257131.03 3890.0 C57
2021-09-12 20:53:59 S 23 34 47.926 -07 38 39.44 V C57
2021-09-12 20:53:59 s 1 -167509.94 4 +256617.01 6900.0 C57
2021-09-12 21:03:59 S 23 34 48.612 -07 38 44.74 V C57
2021-09-12 21:03:59 s 1 -167723.46 3 +256101.77 7270.0 C57
2021-09-12 21:13:59 S 23 34 49.200 -07 38 52.66 V C57
2021-09-12 21:13:59 s 1 -167936.18 5 +255585.32 4970.0 C57
2021-09-12 21:23:59 S 23 34 49.800 -07 38 58.34 V C57
2021-09-12 21:23:59 s 1 -168148.10 7 +255067.65 0.0 C57
2021-09-12 21:33:59 S 23 34 50.527 -07 39 05.94 V C57
2021-09-12 21:33:59 s 1 -168359.22 6 +254548.77 2340.0 C57
2021-09-12 21:43:59 S 23 34 51.132 -07 39 11.63 V C57
2021-09-12 21:43:59 s 1 -168569.53 9 +254028.67 1980.0 C57
2021-09-12 21:53:59 S 23 34 51.773 -07 39 18.86 V C57
2021-09-12 21:53:59 s 1 -168779.04 2 +253507.36 8910.0 C57
2021-09-12 22:03:59 S 23 34 52.430 -07 39 25.20 V C57
2021-09-12 22:03:59 s 1 -168987.73 2 +252984.82 3130.0 C57
2021-09-12 22:13:59 S 23 34 53.074 -07 39 32.51 V C57
2021-09-12 22:13:59 s 1 -169195.60 6 +252461.07 4610.0 C57
2021-09-12 22:23:59 S 23 34 53.654 -07 39 37.98 V C57
2021-09-12 22:23:59 s 1 -169402.66 0 +251936.09 3360.0 C57
2021-09-12 22:33:59 S 23 34 54.350 -07 39 46.62 V C57
2021-09-12 22:33:59 s 1 -169608.89 1 +251409.89 9340.0 C57
2021-09-12 22:43:59 S 23 34 55.039 -07 39 51.59 V C57
2021-09-12 22:43:59 s 1 -169814.29 4 +250882.47 2570.0 C57
2021-09-12 22:53:59 S 23 34 55.685 -07 39 59.33 V C57
2021-09-12 22:53:59 s 1 -170018.86 8 +250353.83 3020.0 C57
2021-09-12 23:03:59 S 23 34 56.285 -07 40 04.98 V C57
2021-09-12 23:03:59 s 1 -170222.60 9 +249823.96 680.0 C57
2021-09-12 23:23:59 S 23 34 57.638 -07 40 18.66 V C57
2021-09-12 23:23:59 s 1 -170627.57 4 +248760.54 7580.0 C57
2021-09-13 01:53:59 S 23 35 07.394 -07 41 59.89 V C57
2021-09-13 01:53:59 s 1 -173555.21 4 +240627.72 2880.0 C57
2021-09-13 02:03:59 S 23 35 07.982 -07 42 05.90 V C57
2021-09-13 02:03:59 s 1 -173743.33 7 +240075.61 8310.0 C57
2021-09-13 02:13:59 S 23 35 08.606 -07 42 11.99 V C57
2021-09-13 02:13:59 s 1 -173930.55 8 +239522.27 730.0 C57
2021-09-13 02:23:59 S 23 35 09.346 -07 42 19.26 V C57
2021-09-13 02:23:59 s 1 -174116.87 1 +238967.67 110.0 C57
2021-09-13 02:33:59 S 23 35 09.974 -07 42 25.60 V C57
2021-09-13 02:33:59 s 1 -174302.27 4 +238411.83 6460.0 C57
2021-09-13 02:43:59 S 23 35 10.582 -07 42 33.08 V C57
2021-09-13 02:43:59 s 1 -174486.76 3 +237854.74 9740.0 C57
2021-09-13 02:53:59 S 23 35 11.268 -07 42 38.92 V C57
2021-09-13 02:53:59 s 1 -174670.33 3 +237296.40 9950.0 C57
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-07-15 01:40:00 247744595.14 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)